【實用教育app】Pure Concentration - Find Number|最夯免費app-綠色工廠好玩App

Enjoy studying with your students and children! Tap numbers 1 to 20 (or 1 to 50) as quickly as possible. Position, size, angle and color (white/black) of numbers will be changed each time.This is...- App which strengthen the power of concentration- Best for warming-up students' brain before your lesson- Designed for classroom and home- Both kids and adults can enjoy- Just 2 taps to begin- Available anytime, anywhereThere are...- No sign up process- No set up process- No privacy information input process- No internet connection- No cartoon characters- No sound effects- No game contents- No in app purchase products(Pure Series)